Siemens SINAMICS G120D Operating Instructions Manual page 281

11.If the firmware downgrade was successful, the Control Unit responds after a few seconds
with the RDY LED lighting up green.
If the memory card is still inserted, depending on the previous content of the memory
card, one of the two following cases has occurred:
– The memory card contained a data backup: ⇒ The inverter has taken over the settings
– There was no data backup on the memory card: ⇒ The inverter has the factory
12.Take your settings over from your data backup to the inverter.
See also section: Backing up data and series commissioning (Page 239).
You have replaced the inverter's firmware by an older version.
Converter with control units CU240D-2
Operating Instructions, 07/2016, FW V4.7 SP6, A5E34262100B AD
from the memory card.
settings.
Corrective maintenance
8.2 Firmware upgrade and downgrade
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